---
title: "FIX 5.0 SP2 EP299: <StrikeRules> component block – FIX Dictionary – Onix Solutions"
description: "<meta name=\"description\" content=\"&lt;StrikeRules&gt; component block &ndash; FIX 5.0 SP2 EP299, FIX protocol version FIX 5.0 SP2 EP299\" /> <meta name=\"keywords\" content=\"component block, StrikeRules, FIX 5.0 SP2 EP299, FIX Protocol, FIX dictionary\" />"
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# <StrikeRules> component block

## FIX 5.0 SP2 EP299

### Structure

| Tag | Field Name | Req'd | Comments |  |
| --- | --- | --- | --- | --- |
| 1201 | [NoStrikeRules](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1201.html) | N | Number of strike rule entries. This block specifies the rules for determining how new strikes should be listed within the stated price range of the underlying instrument |  |
| → | 1223 | [StrikeRuleID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1223.html) | N | Allows strike rule to be referenced via an identifier so that rules do not need to be explicitly enumerated |
| → | 1202 | [StartStrikePxRange](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1202.html) | N | Starting price for the range to which the StrikeIncrement applies. Price refers to the price of the underlying |
| → | 1203 | [EndStrikePxRange](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1203.html) | N | Ending price of the range to which the StrikeIncrement applies. Price refers to the price of the underlying |
| → | 1204 | [StrikeIncrement](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1204.html) | N | Value by which strike price should be incremented within the specified price |
| → | 1304 | [StrikeExerciseStyle](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1304.html) | N | Enumeration that represents the exercise style for a class of options Same values as ExerciseStyle |
| → | [Component Block - <MaturityRules>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_MaturityRules.html) | N | Describes the maturity rules for a given set of strikes as defined by StrikeRules |  |

### Used In

- [<MarketSegmentGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_MarketSegmentGrp.html)
- [<SecListGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_SecListGrp.html)
- [<SecLstUpdRelSymGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_SecLstUpdRelSymGrp.html)

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